Fix poliarty of CheckMap smi check on ia32

R=karlklose@chromium.org
BUG=none
TEST=existing tests

Review URL: http://codereview.chromium.org/7067018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8025 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/ia32/macro-assembler-ia32.cc

@@ -283,7 +283,7 @@ void MacroAssembler::CheckMap(Register obj,
                               Handle<Map> map,
                               Label* fail,
                               SmiCheckType smi_check_type) {
-  if (smi_check_type == DONT_DO_SMI_CHECK) {
+  if (smi_check_type == DO_SMI_CHECK) {
     JumpIfSmi(obj, fail);
   }
   cmp(FieldOperand(obj, HeapObject::kMapOffset), Immediate(map));